Alert archive / Texas / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 89, NWS Austin/San Antonio, TX

May 10, 1989Bexar County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 10, 1989, 2:21 AM CDT for Bexar County, Texas. It was in force for 69 min.

The area

The counties it named.

The facts

Issued: May 10, 1989, 2:21 AM CDT (07:21 UTC)
Expired: May 10, 1989, 3:30 AM CDT
In force: 69 min
Issued by: NWS Austin/San Antonio, TX
Area: Whole counties

County Bexar County, TX

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 7.4 hours before the alert went out and 225 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 4013 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 2498 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: -8 m²/s²
0-3 km storm-relative helicity: 39 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, May 9, 9:38 PM CDT, 4 hours 43 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
935 PM CDT TUE MAY 9 1989

...THUNDERSTORMS HAVE MOVED INTO GILLESPIE COUNTY...

AT 925 PM CDT AUSTIN WEATHER RADAR INDICATED VERY STRONG THUNDERSTORM
IN SOUTHEAST CORNER OF GILLESPIE COUNTY MOVING SOUTHWARD NEAR 15 MILES
AN HOUR. THIS STORM IS CAPABLE OF PRODUCING SMALL HAIL...BRIEF HEAVY
RAIN...STRONG GUSTY WINDS AND DANGEROUS LIGHTNING.

ANOTHER STRONG THUNDERSTORMG ALONG WITH SHOWERS WERE INDICATED IN THE
NORTHERN PORTION OF GILLESPIE COUNTY EXTENDING INTO THE SOUTHEAST CORNER
OF MASON COUNTY.

Special weather statement, May 9, 10:28 PM CDT, 3 hours 53 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DEL RIO TX
1030 PM CDT TUE MAY 9 1989

THE SEVERE THUNDERSTORM WARNING ISSUED EARLIER FOR VAL VERDE COUNTY HAS
EXPIRED. AT 1030 PM THUNDERSTORMS CONTINUED IN THE DEL RIO AREA AND WILL
LIKELY LAST UNTIL MIDNIGHT. THE AREA OF THUNDERSTORMS WAS MOVING TO THE
SOUTH AT ABOUT 5 MPH.

SOME BRIEF HEAVY RAIN...SMALL HAIL AND GUSTY WINDS CAN BE EXPECTED WITH
THESE THUNDERSTORMS AS THEY MOVE THROUGH THE AREA0.

STAY TUNDED FOR ADDITIONAL STATEMENTS OR WARNINGS CONCERNING THESE
THUNDERSTORMS.

Special weather statement, May 9, 11:01 PM CDT, 3 hours 20 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
1055 PM CDT TUE MAY 9 1989

...STRONG THUNDERSTORMS CONTINUE IN NORTHERN GILLESPIE COUNTY...

AT 1045 PM CDT AUSTIN WEATHER RADAR INDICATED THREE STRONG THUNDER-
STORMS IN NORTHERN GILLESPIE COUNTY WITH LITTLE MOVEMENT. BRIEF HEAVY
RAINS...STRONG GUSTY WINDS AND POSSIBLE HAIL ARE POSSIBLE IN THESE
STORMS. FLOODING OF SMALL STREAMS...LOW LYING ROADS AND LOW WATER
CROSSING IS LIKELY IN NORTHERN GILLESPIE COUNTY DUE TO SLOW MOVEMENT
OF THESE THUNDERSTORMS.

OTHER STRONG THUNDERSTORMS WERE INDICATED IN KIMBLE COUNTY IN THE
VICINITY OF JUNCTION AND SOUTH WEST OF LONDON.

ELESWHERE SCATTERED SHOWERS AND THUNDERSTORMS WERE INDICATED FReOM EAST
OF BUFFALO IN LEON COUNTY TO WEST OF TEMPLE AND SOUTH OF KILLEEN MOVING
SOUTH AROUND 15 MILES AN HOUR.

Special weather statement, May 9, 11:53 PM CDT, 2 hours 28 minutes before

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Special weather statement, May 10, 1:23 AM CDT, 58 minutes before

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Special weather statement, May 10, 1:38 AM CDT, 43 minutes before

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<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
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<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

Everything else NWS Austin/San Antonio, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 9, 7:03 PM CDT	Severe Thunderstorm Warning	EWX	Edwards	57 min
May 9, 7:39 PM CDT	Tornado Warning	EWX	Edwards	66 min
May 9, 8:30 PM CDT	Severe Thunderstorm Warning	EWX	Val Verde	60 min
May 9, 9:30 PM CDT	Severe Thunderstorm Warning	EWX	Val Verde	60 min
May 9, 10:20 PM CDT	Severe Thunderstorm Warning	EWX	Kinney, Uvalde	55 min
May 9, 10:48 PM CDT	Tornado Warning	EWX	Uvalde, Zavala	57 min
May 9, 11:44 PM CDT	Tornado Warning	EWX	Zavala	61 min
May 10, 3:49 AM CDT	Severe Thunderstorm Warning	EWX	Gonzales, Guadalupe	56 min

Nearby

Severe Thunderstorm Warnings in Texas, 1989 Every severe thunderstorm warning in 1989

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.